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Home >> Jaguar >> 2004 >> XJR >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Parking Brake And Actuation (2003.5-09) >> Diagnosis and Testing >> Parking Brake - VIN Range: G45171->G99999 >> Pinpoint Tests >> PINPOINT TEST G531320p13: PARKING BRAKE ACTUATOR OUTPUT SHORT CIRCUIT TO GROUND >> G531320t49: CHECK THE ACTUATOR NEGATIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND

G531320t49: CHECK THE ACTUATOR NEGATIVE SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND

  1. Key off.
    Fig 1: Identifying Electric Parking Brake Switch (TL82) Connector Pins
    G06387613Courtesy of JAGUAR CARS, INC.
  2. Electric parking brake switch (TL82) connector disconnected.
  3. Key on, engine off.
  4. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR50 connector, harness side Vehicle battery
    Electric parking brake actuator - negative - Pin 07 Negative terminal
    • Is the resistance greater than 100 Kohms? 
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